Companies can have teams of content moderators or reviewers, whether employees or outsourced. Good article is here: http://www.nytimes.com/2010/07/19/technolog

Companies can have teams of content moderators or reviewers, whether employees or outsourced. Good article is here: http://www.nytimes.com/2010/07/19/technology/19screen.html?_r=0 http://www.nytimes.com/2010/07/19/technology/19screen.html?_...